Re: Unhappy thoughts about pg_dump and objects inherited from template1

From: Philip Warner <pjw(at)rhyme(dot)com(dot)au>
To: mhh(at)mindspring(dot)com, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Jan Wieck <janwieck(at)Yahoo(dot)com>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Unhappy thoughts about pg_dump and objects inherited from template1
Date: 2000-11-10 02:35:34
Message-ID: 3.0.5.32.20001110133534.032bdd70@mail.rhyme.com.au
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At 22:24 9/11/00 -0500, Mark Hollomon wrote:
>On Wednesday 08 November 2000 10:15, Tom Lane wrote:
>> > At 14:04 7/11/00 -0500, Jan Wieck wrote:
>> >> FWIW, what about having another "template0" database, where
>> >> nobody can add user data. Initially, template0 and template1
>> >> are identically. CREATE DATABASE get's a new switch (used by
>> >> the pg_dump output) that tells to create it from the vanilla
>> >> template0 DB (generalized, so someone can setup a couple of
>> >> template<n>'s) and all objects inherited from template1
>> >> (those not in template0) are regularly dumped per database.
>>
>> I like that a lot. Solves the whole problem at a stroke, and even
>> adds some extra functionality (alternate templates).
>>
>
>How does this solve the 'ALTER FUNCTION' problem?
>

I think both this and the OID-wrap problem will be permanent features until
we have a non-oid-based dump procedure. Pretty much every piece of metadata
needs some kind of 'I am a system object, don't dump me' flag.

Relying of values of numeric OIDs is definitely clunky, but it's all we can
do at the moment.

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